<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>箭头函数this</title>
</head>
<body>
  <script>
  // console.log(this)
  // function fn(){
  //  console.log(this)
  // }
  // fn()
  // const obj={
  // name:'Lele',
  // sayHi(){
  //   console.log(this)
  // }
  // }
  // obj.sayHi()
  const fn=()=>{
    console.log(this)
  }
  fn()
  </script>
</body>
</html>